Markov Chain-Based Acute Effect Estimation of Air Pollution on Elder Asthma Hospitalization

Table 3

Percent increase (mean and 95% confidence interval) in daily asthma hospital admission associated with a 10 μg/m³ increase in air pollutants from January 1, 2014, to December 31, 2014.

	PM2.5	PM10	SO2	NO2
Lag0	0.54 (−0.44, 1.52)	0.24 (−0.47, 0.95)	6.59 (1.11, 12.36)	2.4 (−0.87, 5.77)
Lag0-1	0.79 (−0.23, 1.82)	0.49 (−0.27, 1.25)	7.27 (1.1, 13.82)^§	3.2 (−0.45, 6.98)
Lag0–2	0.82 (−0.24, 1.89)^§	0.5 (−0.29, 1.3)^§	6.94 (0.4, 13.91)	3.26 (−0.66, 7.33)^§
Lag0–3	0.74 (−0.35, 1.84)	0.42 (−0.4, 1.24)	5.83 (−0.95, 13.09)	2.69 (−1.44, 6.99)
Lag0–4	0.65 (−0.47, 1.78)	0.34 (−0.5, 1.19)	4.41 (−2.55, 11.87)	2.01 (−2.28, 6.49)
Lag0–5	0.54 (−0.61, 1.7)	0.23 (−0.63, 1.1)	3.12 (−3.97, 10.74)	1.76 (−2.69, 6.41)

Abbreviations are the same as in Table 1. . ^§Strongest effect (best lag).